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H5DU2562GFR-FAC データシートの表示(PDF) - Hynix Semiconductor
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H5DU2562GFR-FAC
256Mb DDR SDRAM
Hynix Semiconductor
H5DU2562GFR-FAC Datasheet PDF : 28 Pages
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H5DU2562GFR
FUNCTIONAL BLOCK DIAGRAM (16Mx16)
4Banks x 4Mbit x 16 I/O Double Data Rate Synchronous DRAM
Write Data Register
2-
R
b
Meg
i
o
t
idse
P
ter
refetch Unit
16
32
LDM,
UDM
LDQS,
UDQS
CLK
/CLK
CKE
/CS
/RAS
/CAS
/WE
A0
A1
A
max
BA0
BA1
Comman
d
Decoder
Address
Buffer
Bank
Control
Mode
Register
Row
Decoder
4Mx16 BANK 3
4Mx16 BANK 2
4Mx16 BANK 1
4Mx16 BANK 0
32
Memory
Cell
Array
DQ0
16
DQ15
Column Address
Counter
CLK,
/CLK
Column
Decoder
CLK_DLL
DLL
Block
UDQS,
LDQS
Data Strobe
Transmitter
Data Strobe
Receiver
UDQS,
LDQS
Mode
Register
Rev. 1.1 /Sep. 2007
6
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